USRE39929E1 - Communication system - Google Patents

Communication system Download PDF

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Publication number
USRE39929E1
USRE39929E1 US10/133,364 US13336402A USRE39929E US RE39929 E1 USRE39929 E1 US RE39929E1 US 13336402 A US13336402 A US 13336402A US RE39929 E USRE39929 E US RE39929E
Authority
US
United States
Prior art keywords
signal
data
level
vsb
transmission
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
US10/133,364
Other languages
English (en)
Inventor
Mitsuaki Oshima
Seiji Sakashita
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Panasonic Holdings Corp
Original Assignee
Matsushita Electric Industrial Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from JP7966894A external-priority patent/JPH07264148A/ja
Priority claimed from US08/240,521 external-priority patent/US5600672A/en
Application filed by Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Priority to US10/133,364 priority Critical patent/USRE39929E1/en
Application granted granted Critical
Publication of USRE39929E1 publication Critical patent/USRE39929E1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/32—Carrier systems characterised by combinations of two or more of the types covered by groups H04L27/02, H04L27/10, H04L27/18 or H04L27/26
    • H04L27/34—Amplitude- and phase-modulated carrier systems, e.g. quadrature-amplitude modulated carrier systems
    • H04L27/3405—Modifications of the signal space to increase the efficiency of transmission, e.g. reduction of the bit error rate, bandwidth, or average power
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/10—Frequency-modulated carrier systems, i.e. using frequency-shift keying
    • H04L27/16—Frequency regulation arrangements
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/004—Arrangements for detecting or preventing errors in the information received by using forward error control
    • H04L1/0041—Arrangements at the transmitter end
    • H04L1/0042—Encoding specially adapted to other signal generation operation, e.g. in order to reduce transmit distortions, jitter, or to improve signal shape
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/004—Arrangements for detecting or preventing errors in the information received by using forward error control
    • H04L1/0045—Arrangements at the receiver end
    • H04L1/0047—Decoding adapted to other signal detection operation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/004—Arrangements for detecting or preventing errors in the information received by using forward error control
    • H04L1/0056—Systems characterized by the type of code used
    • H04L1/0059—Convolutional codes
    • H04L1/006—Trellis-coded modulation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/0008—Modulated-carrier systems arrangements for allowing a transmitter or receiver to use more than one type of modulation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/0014—Carrier regulation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/02—Amplitude-modulated carrier systems, e.g. using on-off keying; Single sideband or vestigial sideband modulation
    • H04L27/06—Demodulator circuits; Receiver circuits
    • H04L27/066—Carrier recovery circuits
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/32—Carrier systems characterised by combinations of two or more of the types covered by groups H04L27/02, H04L27/10, H04L27/18 or H04L27/26
    • H04L27/34—Amplitude- and phase-modulated carrier systems, e.g. quadrature-amplitude modulated carrier systems
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/32—Carrier systems characterised by combinations of two or more of the types covered by groups H04L27/02, H04L27/10, H04L27/18 or H04L27/26
    • H04L27/34—Amplitude- and phase-modulated carrier systems, e.g. quadrature-amplitude modulated carrier systems
    • H04L27/36—Modulator circuits; Transmitter circuits
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/32—Carrier systems characterised by combinations of two or more of the types covered by groups H04L27/02, H04L27/10, H04L27/18 or H04L27/26
    • H04L27/34—Amplitude- and phase-modulated carrier systems, e.g. quadrature-amplitude modulated carrier systems
    • H04L27/38—Demodulator circuits; Receiver circuits
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
    • H04N21/23—Processing of content or additional data; Elementary server operations; Server middleware
    • H04N21/238—Interfacing the downstream path of the transmission network, e.g. adapting the transmission rate of a video stream to network bandwidth; Processing of multiplex streams
    • H04N21/2383—Channel coding or modulation of digital bit-stream, e.g. QPSK modulation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
    • H04N21/438—Interfacing the downstream path of the transmission network originating from a server, e.g. retrieving MPEG packets from an IP network
    • H04N21/4382—Demodulation or channel decoding, e.g. QPSK demodulation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
    • H04N21/442—Monitoring of processes or resources, e.g. detecting the failure of a recording device, monitoring the downstream bandwidth, the number of times a movie has been viewed, the storage space available from the internal hard disk
    • H04N21/4425—Monitoring of client processing errors or hardware failure
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L2001/0092—Error control systems characterised by the topology of the transmission link
    • H04L2001/0093—Point-to-multipoint
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/0014—Carrier regulation
    • H04L2027/0016—Stabilisation of local oscillators
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/0014—Carrier regulation
    • H04L2027/0024—Carrier regulation at the receiver end
    • H04L2027/0026—Correction of carrier offset
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/0014—Carrier regulation
    • H04L2027/0044—Control loops for carrier regulation
    • H04L2027/0063—Elements of loops
    • H04L2027/0069—Loop filters

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Multimedia (AREA)
  • Databases & Information Systems (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
  • Television Systems (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
US10/133,364 1991-03-27 2002-04-29 Communication system Expired - Lifetime USRE39929E1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US10/133,364 USRE39929E1 (en) 1991-03-27 2002-04-29 Communication system

Applications Claiming Priority (13)

Application Number Priority Date Filing Date Title
JP6279891 1991-03-27
JP9581391 1991-04-25
JP15565091 1991-05-29
JP18223691 1991-07-23
JP6073992 1992-03-17
US85762792A 1992-03-25 1992-03-25
JP13298493 1993-05-10
JP26161293 1993-09-24
JP34997293 1993-12-27
JP7966894A JPH07264148A (ja) 1994-03-24 1994-03-24 伝送装置
US08/240,521 US5600672A (en) 1991-03-27 1994-05-10 Communication system
US09/244,037 USRE40241E1 (en) 1991-03-27 1999-02-04 Communication system
US10/133,364 USRE39929E1 (en) 1991-03-27 2002-04-29 Communication system

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
US08/240,521 Reissue US5600672A (en) 1991-03-27 1994-05-10 Communication system

Publications (1)

Publication Number Publication Date
USRE39929E1 true USRE39929E1 (en) 2007-11-27

Family

ID=38623477

Family Applications (9)

Application Number Title Priority Date Filing Date
US09/244,037 Expired - Lifetime USRE40241E1 (en) 1991-03-27 1999-02-04 Communication system
US09/669,916 Expired - Lifetime USRE39928E1 (en) 1991-03-27 2000-09-25 Communication system
US09/668,068 Expired - Lifetime USRE40174E1 (en) 1991-03-27 2000-09-25 Communication system
US09/680,177 Expired - Lifetime USRE41001E1 (en) 1991-03-27 2000-10-05 Communication system
US09/677,421 Expired - Lifetime USRE40978E1 (en) 1991-03-27 2000-10-05 Communication system
US09/686,467 Expired - Lifetime USRE40255E1 (en) 1991-03-27 2000-10-12 Communication system
US09/686,466 Expired - Lifetime USRE40175E1 (en) 1991-03-27 2000-10-12 Communication system
US10/133,364 Expired - Lifetime USRE39929E1 (en) 1991-03-27 2002-04-29 Communication system
US10/635,468 Expired - Lifetime USRE40206E1 (en) 1991-03-27 2003-08-07 Communication system

Family Applications Before (7)

Application Number Title Priority Date Filing Date
US09/244,037 Expired - Lifetime USRE40241E1 (en) 1991-03-27 1999-02-04 Communication system
US09/669,916 Expired - Lifetime USRE39928E1 (en) 1991-03-27 2000-09-25 Communication system
US09/668,068 Expired - Lifetime USRE40174E1 (en) 1991-03-27 2000-09-25 Communication system
US09/680,177 Expired - Lifetime USRE41001E1 (en) 1991-03-27 2000-10-05 Communication system
US09/677,421 Expired - Lifetime USRE40978E1 (en) 1991-03-27 2000-10-05 Communication system
US09/686,467 Expired - Lifetime USRE40255E1 (en) 1991-03-27 2000-10-12 Communication system
US09/686,466 Expired - Lifetime USRE40175E1 (en) 1991-03-27 2000-10-12 Communication system

Family Applications After (1)

Application Number Title Priority Date Filing Date
US10/635,468 Expired - Lifetime USRE40206E1 (en) 1991-03-27 2003-08-07 Communication system

Country Status (1)

Country Link
US (9) USRE40241E1 (USRE039929-20071127-P00900.png)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20210297288A1 (en) * 2020-03-20 2021-09-23 Nant Holdings Ip, Llc Selecting a signal phase in a communication system

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US7895540B2 (en) * 2006-08-02 2011-02-22 Georgia Tech Research Corporation Multilayer finite difference methods for electrical modeling of packages and printed circuit boards
US8352232B2 (en) * 2007-10-25 2013-01-08 Georgia Tech Research Corporation Modeling electrical interconnections in three-dimensional structures
ES2579604T3 (es) * 2008-07-31 2016-08-12 Telefonaktiebolaget L M Ericsson Ab (Publ) Modulación de señal óptica
US8954308B2 (en) 2009-02-23 2015-02-10 Georgia Tech Research Corporation Modeling of multi-layered power/ground planes using triangle elements
US8219377B2 (en) * 2009-02-23 2012-07-10 Georgia Tech Research Corporation Multi-layer finite element method for modeling of package power and ground planes
JP4853545B2 (ja) * 2009-05-25 2012-01-11 株式会社デンソー 車載通信装置および通信システム
US20110194645A1 (en) * 2010-02-11 2011-08-11 Electronics And Telecommunications Research Institute Layered transmission apparatus and method, reception apparatus, and reception method
US20110195658A1 (en) * 2010-02-11 2011-08-11 Electronics And Telecommunications Research Institute Layered retransmission apparatus and method, reception apparatus and reception method
US8687740B2 (en) * 2010-02-11 2014-04-01 Electronics And Telecommunications Research Institute Receiver and reception method for layered modulation
US8824590B2 (en) * 2010-02-11 2014-09-02 Electronics And Telecommunications Research Institute Layered transmission apparatus and method, reception apparatus and reception method
US9037446B2 (en) 2010-09-01 2015-05-19 Georgia Tech Research Corporation Electrical-thermal co-simulation with joule heating and convection effects for 3D systems
JP5921469B2 (ja) * 2013-03-11 2016-05-24 株式会社東芝 情報処理装置、クラウドプラットフォーム、情報処理方法およびそのプログラム

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